wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, volunteer authors worked to edit and improve it over time. This article has also been viewed 13,302 times.
Learn more...

Most people today have important files on their computers. If your computer failed you right now where would you be? To make sure you are safe in the event you lose your computer, you should learn how to back up your files.

Community Q&A

In subsequent backups, is only the new material saved (no duplicates)?

wikiHow Contributor

Community Answer

You would need to use a date or a date range. Whenever you make a change in your document(s), it changes the date modified. So during your backup procedure, specify today's date for your daily backups.

Article Info

wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, volunteer authors worked to edit and improve it over time. This article has also been viewed 13,302 times.